Home / 847,756.26-1,271,582.89-300,675.78

Finding the Fourth Proportional to 847,756.26, 1,271,582.89 and 300,675.78

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Solution

The fourth proportional to 847,756.26, 1,271,582.89 and 300,675.78 is: 450,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,756.26 : 1,271,582.89 = 300,675.78 : x
  2. Step 2: Convert to fraction form
    847,756.26/1,271,582.89 = 300,675.78/x
  3. Step 3: Cross multiply
    847,756.26x = 1,271,582.89 × 300,675.78
  4. Step 4: Simplify right side
    847,756.26x = 382,334,177,285.40
  5. Step 5: Solve for x
    x = 382,334,177,285.40/847,756.26
  6. Step 6: Final answer
    x = 450,995.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.